Fuzz introspector: pdns/fuzz_moadnsparser.cc
For issues and ideas: https://github.com/ossf/fuzz-introspector/issues

Fuzz blockers

The following nodes represent call sites where fuzz blockers occur.

Amount of callsites blocked Calltree index Parent function Callsite Largest blocked function
620 1 LLVMFuzzerTestOneInput call site: 00001 GenericDNSPacketWriter ::xfrName
2 622 LLVMFuzzerTestOneInput call site: 00622

Fuzzer calltree

0 LLVMFuzzerTestOneInput [function] [call site] 00000
1 init [function] [call site] 00001
2 reportAllTypes [function] [call site] 00002
3 reportBasicTypes [function] [call site] 00003
4 EUI48RecordContent::report [function] [call site] 00004
4 EUI48RecordContent::report [function] [call site] 00006
4 EUI48RecordContent::report [function] [call site] 00007
4 EUI48RecordContent::report [function] [call site] 00008
4 EUI48RecordContent::report [function] [call site] 00009
4 EUI48RecordContent::report [function] [call site] 00010
4 EUI48RecordContent::report [function] [call site] 00011
4 EUI48RecordContent::report [function] [call site] 00012
4 DNSRecordContent::regist [function] [call site] 00013
5 load [function] [call site] 00015
6 static_cast<Reader*> [function] [call site] 00018
6 GenericDNSPacketWriter::eof [function] [call site] 00019
6 qthread [function] [call site] 00020
7 std::to_string [function] [call site] 00022
7 setThreadName [function] [call site] 00023
8 trySetThreadName [function] [call site] 00024
9 pthread_setname_np [function] [call site] 00025
9 pthread_self [function] [call site] 00026
9 pthread_set_name_np [function] [call site] 00028
9 pthread_self [function] [call site] 00029
9 pthread_set_name_np [function] [call site] 00031
9 pthread_self [function] [call site] 00032
9 pthread_setname_np [function] [call site] 00034
9 pthread_setname_np [function] [call site] 00036
9 pthread_self [function] [call site] 00037
8 trySetThreadName [function] [call site] 00040
8 warnlog [function] [call site] 00042
9 genlog [function] [call site] 00043
10 std::ostringstream::str [function] [call site] 00045
10 dnsdist::logging::LoggingConfiguration::getSyslog [function] [call site] 00046
10 rfc_str [function] [call site] 00048
11 validate [function] [call site] 00049
12 std::range_error [function] [call site] 00050
12 std::range_error [function] [call site] 00051
12 std::range_error [function] [call site] 00052
12 std::range_error [function] [call site] 00053
11 std::setfill [function] [call site] 00054
11 std::setw [function] [call site] 00055
11 std::setfill [function] [call site] 00056
11 std::setw [function] [call site] 00057
11 std::setfill [function] [call site] 00058
11 std::setw [function] [call site] 00059
11 std::setfill [function] [call site] 00060
11 std::setw [function] [call site] 00061
11 std::setfill [function] [call site] 00062
11 std::setw [function] [call site] 00063
11 std::setfill [function] [call site] 00064
11 std::setw [function] [call site] 00065
11 std::setfill [function] [call site] 00066
11 std::setw [function] [call site] 00067
11 std::ostringstream::str [function] [call site] 00068
10 dnsdist::logging::LoggingConfiguration::getLogTimestamps [function] [call site] 00069
10 dnsdist::logging::logTime [function] [call site] 00070
11 localtime_r [function] [call site] 00072
11 std::scoped_lock [function] [call site] 00073
11 strftime [function] [call site] 00074
11 std::array::data [function] [call site] 00075
11 std::array::size [function] [call site] 00076
11 std::array::data [function] [call site] 00077
8 stringerror [function] [call site] 00078
9 pdns::getMessageFromErrno [function] [call site] 00079
10 strerror_r [function] [call site] 00085
10 std::string::data [function] [call site] 00086
10 std::string::length [function] [call site] 00087
10 strerror_r [function] [call site] 00088
10 std::string::data [function] [call site] 00089
10 std::string::length [function] [call site] 00090
10 std::string::c_str [function] [call site] 00091
8 dnsdist::logging::getTopLogger [function] [call site] 00092
9 std::atomic_load_explicit [function] [call site] 00093
9 std::runtime_error [function] [call site] 00094
9 Logging::Logger::withName [function] [call site] 00095
10 std::make_shared<Logger> [function] [call site] 00096
10 Logging::Logger::getptr [function] [call site] 00097
11 shared_from_this [function] [call site] 00098
10 std::make_shared<Logger> [function] [call site] 00100
10 Logging::Logger::getptr [function] [call site] 00101
9 std::string [function] [call site] 00102
8 Logging::Loggable [function] [call site] 00103
8 stringerror [function] [call site] 00105
8 Logging::Loggable [function] [call site] 00107
7 Distributor<Answer,Question,Backend>::Create [function] [call site] 00108
8 SingleThreadDistributor<Answer,Question,Backend>::SingleThreadDistributor<Answer,Question,Backend> [function] [call site] 00109
8 MultiThreadDistributor<Answer,Question,Backend>::MultiThreadDistributor<Answer,Question,Backend> [function] [call site] 00110
7 getPointer [function] [call site] 00112
7 getPointer [function] [call site] 00113
7 getPointer [function] [call site] 00114
7 getPointer [function] [call site] 00115
7 getPointer [function] [call site] 00116
7 getPointer [function] [call site] 00117
7 canReusePort [function] [call site] 00118
7 receive [function] [call site] 00122
8 getHandle [function] [call site] 00127
8 getHandle [function] [call site] 00129
8 std::array::data [function] [call site] 00130
8 std::array::size [function] [call site] 00131
8 std::array::data [function] [call site] 00133
8 static_cast<size_t> [function] [call site] 00134
8 DNSRecordContent::NumberToType [function] [call site] 00135
9 getT2Namemap [function] [call site] 00136
9 getT2Namemap [function] [call site] 00138
9 std::to_string [function] [call site] 00139
8 ArgvMap::begin [function] [call site] 00140
9 ArgvMap::begin [function] [call site] 00141
10 ArgvMap::begin [function] [call site] 00142
8 loggerBackend [function] [call site] 00143
9 Logger::Urgency [function] [call site] 00144
9 std::stringstream::str [function] [call site] 00145
9 std::quoted [function] [call site] 00146
9 std::quoted [function] [call site] 00147
9 pdns::random_minimum_acceptable_value [function] [call site] 00148
9 std::quoted [function] [call site] 00149
9 pdns::random_minimum_acceptable_value [function] [call site] 00150
9 std::quoted [function] [call site] 00151
9 std::to_string [function] [call site] 00152
9 std::quoted [function] [call site] 00153
9 Logr::Logger::toString [function] [call site] 00154
10 static_cast<unsigned [call site] 00155
10 std::array::size [function] [call site] 00156
10 std::array::at [function] [call site] 00157
9 std::quoted [function] [call site] 00158
9 Logging::toTimestampStringMilli [function] [call site] 00159
9 std::quoted [function] [call site] 00177
9 std::stringstream::str [function] [call site] 00178
8 ips::emplace_back [function] [call site] 00179
8 auto::getContent [function] [call site] 00180
8 DNSRecordContent::NumberToType [function] [call site] 00181
8 auto::getContent [function] [call site] 00182
8 push_back [function] [call site] 00183
7 DTime::udiffNoReset [function] [call site] 00184
8 DTime::udiff [function] [call site] 00185
9 gettimeofday [function] [call site] 00186
7 DNSPacket::getInnerRemote [function] [call site] 00188
7 DNSPacket::hasEDNSCookie [function] [call site] 00189
7 ringAccount [function] [call site] 00190
7 ringAccount [function] [call site] 00191
7 DNSPacket::getInnerRemote [function] [call site] 00192
7 DNSPacket::getMaxReplyLen [function] [call site] 00193
7 std::shared_ptr::info [function] [call site] 00194
7 Logging::Loggable [function] [call site] 00195
7 DNSPacket::getRemoteString [function] [call site] 00196
8 DNSPacket::getRemote [function] [call site] 00197
8 toString [function] [call site] 00198
9 getnameinfo [function] [call site] 00199
9 reinterpret_cast<const [call site] 00200
9 getSocklen [function] [call site] 00201
9 std::array::data [function] [call site] 00202
9 std::array::size [function] [call site] 00203
9 std::array::data [function] [call site] 00204
9 gai_strerror [function] [call site] 00206
8 DNSPacket::hasEDNSSubnet [function] [call site] 00207
8 DNSPacket::getRealRemote [function] [call site] 00208
9 getSource [function] [call site] 00209
9 DNSPacket::getInnerRemote [function] [call site] 00210
7 Logging::Loggable [function] [call site] 00211
7 Logging::Loggable [function] [call site] 00212
7 Logging::Loggable [function] [call site] 00213
7 Logging::Loggable [function] [call site] 00214
7 DNSPacket::getMaxReplyLen [function] [call site] 00215
7 Logging::Loggable [function] [call site] 00216
7 std::shared_ptr::info [function] [call site] 00217
7 Logging::Loggable [function] [call site] 00218
7 DNSPacket::getRemoteString [function] [call site] 00219
7 Logging::Loggable [function] [call site] 00220
7 Logging::Loggable [function] [call site] 00221
7 Logging::Loggable [function] [call site] 00222
7 Logging::Loggable [function] [call site] 00223
7 DNSPacket::getMaxReplyLen [function] [call site] 00224
7 DNSPacket::getRemoteString [function] [call site] 00225
7 DNSPacket::getMaxReplyLen [function] [call site] 00226
7 DNSPacket::getMaxReplyLen [function] [call site] 00227
7 DNSPacket::couldBeCached [function] [call site] 00229
7 getViewFromNetwork [function] [call site] 00230
7 get [function] [call site] 00231
8 makeTSIGPayload [function] [call site] 00241
9 protozero::append [function] [call site] 00245
10 std::vector<char>*::end [function] [call site] 00251
9 reinterpret_cast<const [call site] 00252
9 protozero::append [function] [call site] 00253
9 protozero::append [function] [call site] 00254
9 GenericDNSPacketWriter<Container>::xfrName [function] [call site] 00259
10 push_back [function] [call site] 00262
10 GenericDNSPacketWriter<Container>::lookupName [function] [call site] 00263
11 getStorage [function] [call site] 00264
11 protozero::push_back [function] [call site] 00267
12 std::vector<char>*::push_back [function] [call site] 00268
11 makeHexDump [function] [call site] 00270
12 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00271
13 capacity [function] [call site] 00273
13 pdns::ProtoZero::RecMessage::size [function] [call site] 00274
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00275
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00276
13 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00277
14 capacity [function] [call site] 00279
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00280
14 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00281
14 capacity [function] [call site] 00282
14 pdns::ProtoZero::RecMessage::size [function] [call site] 00283
14 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00284
13 capacity [function] [call site] 00285
13 pdns::ProtoZero::RecMessage::size [function] [call site] 00286
13 pdns::ProtoZero::RecMessage::reserve [function] [call site] 00287
12 static_cast<size_t> [function] [call site] 00288
12 snprintf [function] [call site] 00291
12 std::array::data [function] [call site] 00292
12 std::array::size [function] [call site] 00293
12 static_cast<unsigned [call site] 00294
12 std::array::data [function] [call site] 00295
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00299
12 GenericDNSPacketWriter<Container>::size [function] [call site] 00300
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00301
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00302
11 reinterpret_cast<const [call site] 00303
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00305
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00306
11 GenericDNSPacketWriter<Container>::size [function] [call site] 00307
11 clear [function] [call site] 00308
12 LockGuardedTryHolder::owns_lock [function] [call site] 00309
13 LockGuardedTryHolder::owns_lock [function] [call site] 00310
14 LockGuardedTryHolder::owns_lock [function] [call site] 00311
12 LockGuardedTryHolder::owns_lock [function] [call site] 00312
13 LockGuardedTryHolder::owns_lock [function] [call site] 00313
11 std::to_string [function] [call site] 00324
11 protozero::push_back [function] [call site] 00326
11 boost::container::static_vector<uint16_t, [call site] 00327
11 boost::container::static_vector<uint16_t, [call site] 00328
11 boost::container::static_vector<uint16_t, [call site] 00329
11 boost::container::static_vector<uint16_t, [call site] 00330
11 std::string_view [function] [call site] 00331
11 std::string_view [function] [call site] 00333
11 pdns_ilexicographical_compare_three_way [function] [call site] 00334
12 std::string_view::data [function] [call site] 00335
12 std::string_view::data [function] [call site] 00336
12 std::string_view::length [function] [call site] 00337
12 std::string_view::length [function] [call site] 00338
12 dns_tolower [function] [call site] 00339
12 dns_tolower [function] [call site] 00340
11 boost::container::static_vector<uint16_t, [call site] 00342
10 getStorage [function] [call site] 00343
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00344
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00345
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00346
10 push_back [function] [call site] 00347
10 makeHexDump [function] [call site] 00348
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00352
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00357
10 push_back [function] [call site] 00358
10 push_back [function] [call site] 00359
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00360
10 push_back [function] [call site] 00361
10 make_unique<DNSName> [function] [call site] 00362
10 makeLowerCase [function] [call site] 00363
10 getStorage [function] [call site] 00364
10 makeHexDump [function] [call site] 00365
10 GenericDNSPacketWriter<Container>::size [function] [call site] 00374
9 makeLowerCase [function] [call site] 00375
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00376
10 pdns::max [function] [call site] 00377
11 pdns::max [function] [call site] 00378
10 runtime_error [function] [call site] 00379
10 static_cast<uint16_t> [function] [call site] 00381
10 reinterpret_cast<uint8_t*> [function] [call site] 00382
9 GenericDNSPacketWriter<Container>::xfr32BitInt [function] [call site] 00385
10 pdns::max [function] [call site] 00386
10 runtime_error [function] [call site] 00387
10 static_cast<uint32_t> [function] [call site] 00389
10 reinterpret_cast<uint8_t*> [function] [call site] 00390
9 GenericDNSPacketWriter<Container>::xfrName [function] [call site] 00393
9 DNSName::makeLowerCase [function] [call site] 00394
10 DNSName::makeUsLowerCase [function] [call site] 00395
11 dns_tolower [function] [call site] 00396
9 PacketReader::xfr48BitInt [function] [call site] 00397
10 static_cast<uint8_t> [function] [call site] 00398
10 static_cast<uint8_t> [function] [call site] 00400
10 static_cast<uint8_t> [function] [call site] 00402
10 static_cast<uint8_t> [function] [call site] 00404
10 static_cast<uint8_t> [function] [call site] 00406
10 static_cast<uint8_t> [function] [call site] 00408
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00410
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00411
9 GenericDNSPacketWriter<Container>::xfr16BitInt [function] [call site] 00412
9 pdns::views::UnsignedCharView::length [function] [call site] 00413
10 pdns::views::UnsignedCharView::length [function] [call site] 00414
11 pdns::views::UnsignedCharView::length [function] [call site] 00415
9 protozero::append [function] [call site] 00416
9 ArgvMap::begin [function] [call site] 00417
10 ArgvMap::begin [function] [call site] 00418
9 loggerBackend [function] [call site] 00419
10 Logger::Urgency [function] [call site] 00420
10 std::stringstream::str [function] [call site] 00421
10 std::quoted [function] [call site] 00422
10 std::quoted [function] [call site] 00423
10 pdns::random_minimum_acceptable_value [function] [call site] 00424
10 std::quoted [function] [call site] 00425
10 pdns::random_minimum_acceptable_value [function] [call site] 00426
10 std::quoted [function] [call site] 00427
10 std::to_string [function] [call site] 00428
10 std::quoted [function] [call site] 00429
10 Logr::Logger::toString [function] [call site] 00430
10 std::quoted [function] [call site] 00431
10 Logging::toTimestampStringMilli [function] [call site] 00432
10 std::quoted [function] [call site] 00433
10 std::stringstream::str [function] [call site] 00434
8 loggerBackend [function] [call site] 00444
9 Logger::Urgency [function] [call site] 00445
9 std::stringstream::str [function] [call site] 00446
9 std::quoted [function] [call site] 00447
9 std::quoted [function] [call site] 00448
9 pdns::random_minimum_acceptable_value [function] [call site] 00449
9 std::quoted [function] [call site] 00450
9 pdns::random_minimum_acceptable_value [function] [call site] 00451
9 std::quoted [function] [call site] 00452
9 std::to_string [function] [call site] 00453
9 std::quoted [function] [call site] 00454
9 Logr::Logger::toString [function] [call site] 00455
9 std::quoted [function] [call site] 00456
9 Logging::toTimestampStringMilli [function] [call site] 00457
9 std::quoted [function] [call site] 00458
9 std::stringstream::str [function] [call site] 00459
8 std::stoull [function] [call site] 00460
7 std::shared_ptr::info [function] [call site] 00462
7 DNSPacket::setSocket [function] [call site] 00468
7 DNSPacket::getSocket [function] [call site] 00469
7 DNSPacket::setMaxReplyLen [function] [call site] 00470
7 DNSPacket::getMaxReplyLen [function] [call site] 00471
7 DNSPacket::commitD [function] [call site] 00472
7 DTime::udiffNoReset [function] [call site] 00474
7 udiff [function] [call site] 00501
8 getCurrentTime [function] [call site] 00502
9 gettime [function] [call site] 00503
10 clock_gettime [function] [call site] 00504
9 unixDie [function] [call site] 00505
10 runtime_error [function] [call site] 00506
10 stringerror [function] [call site] 00507
7 update_latencies [function] [call site] 00508
7 DTime::udiffNoReset [function] [call site] 00511
7 SingleThreadDistributor::isOverloaded [function] [call site] 00513
7 std::shared_ptr::info [function] [call site] 00515
7 std::shared_ptr::info [function] [call site] 00518
7 question [function] [call site] 00519
8 make_unique<DNSPacket> [function] [call site] 00520
7 std::shared_ptr::error [function] [call site] 00524
7 std::shared_ptr::error [function] [call site] 00527
6 pdns::views::UnsignedCharView::data [function] [call site] 00529
7 reinterpret_cast<const [call site] 00530
7 pdns::views::UnsignedCharView::data [function] [call site] 00531
8 reinterpret_cast<const [call site] 00532
8 pdns::views::UnsignedCharView::data [function] [call site] 00533
6 static_cast<size_t> [function] [call site] 00537
6 stream::gcount [function] [call site] 00538
6 pdns::views::UnsignedCharView::data [function] [call site] 00539
6 lua_tostring [function] [call site] 00541
6 std::bad_alloc [function] [call site] 00543
6 std::runtime_error [function] [call site] 00544
5 getTypemap [function] [call site] 00545
5 getZmakermap [function] [call site] 00547
5 getT2Namemap [function] [call site] 00549
5 getN2Typemap [function] [call site] 00551
4 EUI48RecordContent::report [function] [call site] 00553
4 EUI48RecordContent::report [function] [call site] 00554
4 DNSRecordContent::regist [function] [call site] 00555
4 DNSRecordContent::regist [function] [call site] 00556
4 DNSRecordContent::regist [function] [call site] 00557
3 reportOtherTypes [function] [call site] 00558
4 EUI48RecordContent::report [function] [call site] 00559
4 EUI48RecordContent::report [function] [call site] 00560
4 EUI48RecordContent::report [function] [call site] 00561
4 EUI48RecordContent::report [function] [call site] 00562
4 EUI48RecordContent::report [function] [call site] 00563
4 EUI48RecordContent::report [function] [call site] 00564
4 EUI48RecordContent::report [function] [call site] 00565
4 EUI48RecordContent::report [function] [call site] 00566
4 EUI48RecordContent::report [function] [call site] 00567
4 LOCRecordContent::report [function] [call site] 00568
4 EUI48RecordContent::report [function] [call site] 00571
4 EUI48RecordContent::report [function] [call site] 00572
4 EUI48RecordContent::report [function] [call site] 00573
4 EUI48RecordContent::report [function] [call site] 00574
4 EUI48RecordContent::report [function] [call site] 00575
4 EUI48RecordContent::report [function] [call site] 00576
4 EUI48RecordContent::report [function] [call site] 00577
4 EUI48RecordContent::report [function] [call site] 00578
4 EUI48RecordContent::report [function] [call site] 00579
4 EUI48RecordContent::report [function] [call site] 00580
4 EUI48RecordContent::report [function] [call site] 00581
4 EUI48RecordContent::report [function] [call site] 00582
4 EUI48RecordContent::report [function] [call site] 00583
4 NSECRecordContent::report [function] [call site] 00584
4 NSEC3RecordContent::report [function] [call site] 00586
4 NSEC3PARAMRecordContent::report [function] [call site] 00588
4 EUI48RecordContent::report [function] [call site] 00591
4 EUI48RecordContent::report [function] [call site] 00592
4 EUI48RecordContent::report [function] [call site] 00593
4 EUI48RecordContent::report [function] [call site] 00594
4 EUI48RecordContent::report [function] [call site] 00595
4 EUI48RecordContent::report [function] [call site] 00596
4 EUI48RecordContent::report [function] [call site] 00597
4 EUI48RecordContent::report [function] [call site] 00598
4 DNSRecordContent::regist [function] [call site] 00599
4 DNSRecordContent::regist [function] [call site] 00600
4 EUI48RecordContent::report [function] [call site] 00601
4 EUI48RecordContent::report [function] [call site] 00602
4 EUI64RecordContent::report [function] [call site] 00603
4 EUI48RecordContent::report [function] [call site] 00605
4 EUI48RecordContent::report [function] [call site] 00606
4 EUI48RecordContent::report [function] [call site] 00607
4 EUI48RecordContent::report [function] [call site] 00608
4 APLRecordContent::report [function] [call site] 00609
4 EUI48RecordContent::report [function] [call site] 00611
4 CSYNCRecordContent::report [function] [call site] 00612
4 EUI48RecordContent::report [function] [call site] 00614
4 EUI48RecordContent::report [function] [call site] 00615
4 EUI48RecordContent::report [function] [call site] 00616
4 EUI48RecordContent::report [function] [call site] 00617
4 EUI48RecordContent::report [function] [call site] 00618
4 EUI48RecordContent::report [function] [call site] 00619
3 DNSRecordContent::lock [function] [call site] 00620
1 pdns::max [function] [call site] 00622
1 reinterpret_cast<const [call site] 00623
1 reinterpret_cast<const [call site] 00624